CVE-2021-32473 json
Moodle Information Disclosure vulnerability
published 2022-03-11 4 y ago modified 2026-09-08 2 mo ago also BIT-moodle-2021-32473 , EUVD-2022-1571 , GHSA-wx87-h539-4775
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
It was possible for a student to view their quiz grade before it had been released, using a quiz web service. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected
Patch / fix
- packagist moodle/moodle 3.5.18, 3.8.9, 3.9.7, 3.10.4
- bitnami moodle 3.5.18, 3.8.9, 3.9.7, 3.10.4
- moodle moodle 3.5.18, 3.8.9, 3.9.7, 3.10.4
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| OSV | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | moodle/moodle | >=3.5, <3.5.18 >=3.8, <3.8.9 >=3.9, <3.9.7 >=3.10, <3.10.4 |
3.5.18 3.8.9 3.9.7 3.10.4 |
| bitnami | moodle | <3.5.18 >=3.8.0, <3.8.9 >=3.9.0, <3.9.7 >=3.10.0, <3.10.4 |
3.5.18 3.8.9 3.9.7 3.10.4 |
Affected products
- n/a moodle
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
moodle.org
/mod/forum/discuss.php?d=422307
web, patch, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-32473
advisory, web
-
github.com
/moodle/moodle
package
Sources
- CVE List CVE-2021-32473
- GitHub Advisory GHSA-wx87-h539-4775
- NVD CVE-2021-32473
- OSV BIT-moodle-2021-32473
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